Vulnerability Details : CVE-2019-20429
In the Lustre file system before 2.12.3, the ptlrpc module has an out-of-bounds read and panic (via a modified lm_bufcount field) due to the lack of validation for specific fields of packets sent by a client. This is caused by interaction between sptlrpc_svc_unwrap_request and lustre_msg_hdr_size_v2.
Products affected by CVE-2019-20429
- cpe:2.3:a:lustre:lustre:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-20429
0.36%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 69 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-20429
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2019-20429
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-20429
-
http://wiki.lustre.org/Lustre_2.12.3_Changelog
Lustre 2.12.3 Changelog - Lustre WikiRelease Notes;Vendor Advisory
-
http://lustre.org/
LustreProduct;Vendor Advisory
-
https://review.whamcloud.com/#/c/36119/
review.whamcloud Code ReviewThird Party Advisory
-
https://jira.whamcloud.com/browse/LU-12590
[LU-12590] Lustre lustre_msg_hdr_size_v2() bug - Whamcloud Community JIRAExploit;Third Party Advisory
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